Omron SYSMAC C200H-OV001 Operation Manual page 66

Mixing Function
Sharing one speaker with several Voice Units
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Voice Units
IN IN
OUT OUT
No. 1 No. 2
In the above diagram the speaker output a message which is a mixture of the
messages of the Voice Unit 1 through3.
To interconnect two or more Voice Units connect the message output jack of
one Voice Unit to the message input jack of another.
For the situation shown in the above diagram set the line/speaker selector
switch of Unit 1 and 2 to the speaker side. Set the selector switch of Unit 3
according to the device connected to the Unit3.
Set the microphone/line selector switch of Units 2 and 3 to the L side.
The message level output of the first Unit is attenuated by the second and
third Units. To adjust the message output level, use the output volume con-
trols of the second and third Units.
A maximum of three Voice Units can be interconnected.
IN
Speaker
OUT
No. 3
Section 3-10